Home / 8,719.44-12,034.58-5,181.96

Finding the Fourth Proportional to 8,719.44, 12,034.58 and 5,181.96

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Solution

The fourth proportional to 8,719.44, 12,034.58 and 5,181.96 is: 7,152.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,719.44 : 12,034.58 = 5,181.96 : x
  2. Step 2: Convert to fraction form
    8,719.44/12,034.58 = 5,181.96/x
  3. Step 3: Cross multiply
    8,719.44x = 12,034.58 × 5,181.96
  4. Step 4: Simplify right side
    8,719.44x = 62,362,712.18
  5. Step 5: Solve for x
    x = 62,362,712.18/8,719.44
  6. Step 6: Final answer
    x = 7,152.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.